22313304445 has 4 divisors (see below), whose sum is σ = 26775965340. Its totient is φ = 17850643552.

The previous prime is 22313304427. The next prime is 22313304463. The reversal of 22313304445 is 54440331322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22313304427) and next prime (22313304463).

It can be written as a sum of positive squares in 2 ways, for example, as 15014336089 + 7298968356 = 122533^2 + 85434^2 .

It is a cyclic number.

It is not a de Polignac number, because 22313304445 - 2⁷ = 22313304317 is a prime.

It is a super-3 number, since 3×22313304445³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231330440 + ... + 2231330449.

It is an arithmetic number, because the mean of its divisors is an integer number (6693991335).

Almost surely, 2^22313304445 is an apocalyptic number.

It is an amenable number.

22313304445 is a deficient number, since it is larger than the sum of its proper divisors (4462660895).

22313304445 is an equidigital number, since it uses as much as digits as its factorization.

22313304445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462660894.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 22313304445 its reverse (54440331322), we get a palindrome (76753635767).

The spelling of 22313304445 in words is "twenty-two billion, three hundred thirteen million, three hundred four thousand, four hundred forty-five".